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Bug 1363481 - Add the old attribute value as a parameter to Element::AfterSetAttr

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Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 05:26:58 -04:00 • committed by Roy Tam
commit 1f233fa14b
65 changed files with 352 additions and 161 deletions
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7
dom/base/nsMappedAttributes.cpp
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@ -85,15 +85,16 @@ NS_IMPL_ISUPPORTS(nsMappedAttributes,
nsIStyleRule)
void
nsMappedAttributes::SetAndTakeAttr(nsIAtom* aAttrName, nsAttrValue& aValue)
nsMappedAttributes::SetAndSwapAttr(nsIAtom* aAttrName, nsAttrValue& aValue,
bool* aValueWasSet)
{
NS_PRECONDITION(aAttrName, "null name");
*aValueWasSet = false;
uint32_t i;
for (i = 0; i < mAttrCount && !Attrs()[i].mName.IsSmaller(aAttrName); ++i) {
if (Attrs()[i].mName.Equals(aAttrName)) {
Attrs()[i].mValue.Reset();
Attrs()[i].mValue.SwapValueWith(aValue);
*aValueWasSet = true;
return;
}
}